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Digilent WaveForms MCP Server MCP Server

MCP server for Digilent WaveForms instruments (oscilloscope, AWG, logic analyzer).

Publisher claimed. No tool list reported, and Pod has not connected to this server.

Status

Pod has not dialled Digilent WaveForms MCP Server yet, so everything on this page is what its publisher reported rather than what we observed. Registries describe servers; they do not connect to them. Until a check runs, treat the tool list below as a claim.

Connect

Published as ghcr.io/kenosinc/dwf-mcp-server:0.2.1 on oci. Runs locally.

Known issues

38 problems reported by people outside the maintainer team. Issues filed by the project's own owners, members and collaborators are excluded — those are release checklists and internal refactors, not things that will go wrong for you. Showing 12.

Most discussed

Add startup diagnostics to detect DWF SDK silent failure conditions

Summary

Add startup-time environment checks in server.py that detect DWF SDK silent failure conditions and emit clear log warnings, instead of letting tools silently produce no physical output.

Background & Motivation

The DWF SDK has a dangerous failure mode: when certain prerequisites are missing, FDwfEnum() returns 0 devices with no error, or API calls succeed but produce no physical signals. This was discovered during Docker USB passthrough debugging (see `docs/debug-docker-silen

Read the thread · 2026-03-06 · closed · 2 comments

AWG output stops immediately after generate_waveform returns (close resets analog_output)

Problem

Calling generate_waveform to start a continuous waveform (duration=0) does not produce any signal that survives the tool call. Any follow-up measurement — via analog_capture, measure, or an external scope — shows no signal at the W1 pin.

Reproduction

  1. Loopback W1 to Scope CH1+ (or attach external scope to W1)

  2. Call:

    generate_waveform(channel=1, waveform="square",
                  frequency=1000, amplitude=2.5, offset=2.5, duration=0)
# → retur

Read the thread · 2026-04-27 · closed · 1 comment

Release v0.1.0

Summary

First release with hardware-validated tools.

Tasks

  • Update version in pyproject.toml to 0.1.0
  • Update version in server.json to 0.1.0
  • Final review of README.md badges and descriptions
  • Create CHANGELOG (optional)
  • Push tag v0.1.0 → GitHub Actions publishes Docker image + MCP Registry

Files

  • pyproject.toml
  • server.json
  • README.md

Dependencies

  • M0 (environment setup) complete
  • M1 (bug fixes) complete
  • M2 (power & GPIO) complete
  • M3 (SPI

Read the thread · 2026-02-27 · closed · 1 comment

Hardware validation — analog (W1→CH1 loopback)

Summary

Validate analog tools using a W1 output → CH1 input loopback connection on the AD3.

Tasks

  • Use generate_waveform to output each waveform type (sine, square, triangle, ramp-up, ramp-down)
  • Use analog_capture to capture waveforms and verify correct shape
  • Use measure to verify all 5 measurement types (frequency, min, max, mean, pk2pk) return reasonable values
  • Append results to docs/hardware-validation.md

Files

  • docs/hardware-validation.md

Dependencies

Read the thread · 2026-02-27 · closed · 1 comment

Add render_image option to protocol decode tools (SPI/I2C/UART)

Summary

Extend the render_image pattern introduced in PR #88 (analog_capture / digital_capture / measure) to protocol decode tools, so that spi_transfer (and future i2c_transfer / uart_transfer) can return an annotated waveform PNG alongside the decoded frame data.

Background & Motivation

PR #88 established the dual-output pattern for capture tools: a vision-capable LLM gets a PNG image (overview / pattern recognition) plus ToolResult.structured_content JSON (machine-readable

Read the thread · 2026-05-11 · open · 0 comments

Most recent

Build Docker image without bundled libdwf — install dependencies only

Problem

The current Dockerfile downloads and installs both the Adept 2 Runtime and the WaveForms SDK (which includes libdwf.so) at build time. Since libdwf.so is proprietary (Digilent/NI), bundling it in a publicly distributed Docker image raises licensing concerns.

Approach

  • Public image: Includes only the Adept 2 Runtime (dependency libraries). libdwf.so is not bundled.
  • User installation: Users create a derived Dockerfile that installs the WaveForms SDK as an

Read the thread · 2026-02-27 · closed · 0 comments

Document libdwf installation and verify AD3 connectivity

Summary

Document the step-by-step procedure to install the WaveForms SDK (libdwf) on the host machine and verify that an Analog Discovery 3 (AD3) is recognized and usable by dwf-mcp-server.

Background

  • libdwf.so is proprietary and must be installed on the host (never bundled in Docker).
  • dwfpy depends on libdwf.so at runtime; the server fails at startup if it is missing.
  • Users with a freshly connected AD3 need a clear, copy-paste-friendly checklist to go from zero to a worki

Read the thread · 2026-02-27 · closed · 0 comments

Release v0.2.0

Summary

Major update release including all protocol tools and advanced analog features.

Tasks

  • Update version in pyproject.toml to 0.2.0
  • Update version in server.json to 0.2.0
  • Update README.md (new tool list)
  • Update CHANGELOG
  • Push tag v0.2.0 → GitHub Actions publishes Docker image + MCP Registry

Files

  • pyproject.toml
  • server.json
  • README.md

Dependencies

  • M6 (I2C, UART, CAN) complete
  • M7 (advanced analog) complete

Size: S

Read the thread · 2026-02-27 · closed · 0 comments

Add AM/FM modulation and custom waveform to generate_waveform

Summary

Extend generate_waveform with AM/FM modulation and custom waveform (arbitrary sample array) support.

Tasks

  • Add modulation parameter (AM / FM / none)
  • Add modulation_frequency and modulation_depth parameters
  • Add waveform="custom" + samples: list[float] parameter
  • Add mock tests
  • Update README with parameter descriptions

Files

  • src/dwf_mcp_server/tools/analog.py
  • tests/test_server.py
  • README.md

Size: L

Read the thread · 2026-02-27 · open · 0 comments

Add trigger settings to analog_capture / measure

Summary

Add trigger configuration parameters to analog_capture and measure for stable waveform acquisition.

Tasks

  • Add trigger_source, trigger_level, trigger_slope parameters
  • Use scope.setup_edge_trigger()
  • Support no-trigger mode (existing behavior) as the default
  • Add mock tests
  • Update README with parameter descriptions

Files

  • src/dwf_mcp_server/tools/analog.py
  • tests/test_server.py
  • README.md

Dependencies

  • #17 (analog API fix)

Size: M

Read the thread · 2026-02-27 · open · 0 comments

Add device_telemetry tool

Summary

Add an MCP tool to retrieve AD3 internal telemetry (temperature, voltage, current).

Tasks

  • Read AD3 PCB / FPGA temperature
  • Read USB voltage/current, AUX voltage/current
  • Implement device_telemetry(device_index) tool
  • Add mock tests
  • Update README with tool description

Files

  • src/dwf_mcp_server/tools/devices.py
  • tests/test_server.py
  • README.md

Size: S

Read the thread · 2026-02-27 · open · 0 comments

Add can_send / can_receive tools

Summary

Expose AD3 CAN protocol functionality as MCP tools.

Tasks

  • Use device.protocols.can
  • Implement can_send(device_index, bitrate, id, data, extended) tool
  • Implement can_receive(device_index, bitrate, timeout) tool
  • Add mock tests
  • Update README with tool descriptions

Files

  • src/dwf_mcp_server/tools/protocols.py
  • tests/test_server.py
  • README.md

Size: M

Read the thread · 2026-02-27 · open · 0 comments

See all 17 reports Pod holds for Digilent WaveForms MCP Server — of 38 qualified upstream.

Firsthand observations

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